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Saggy Bottom! Help Needed

Discussion in 'Chassis / Drivetrain / Suspension / Wheels' started by Mrockatansky, Apr 18, 2017.

  1. Mrockatansky

    Mrockatansky Greasemonkey

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    Gents,

    Been a long time since I have been on the forum. Had some things comes up that needed dealing with that unfortunately precluded anything to do with cars and or hobbies. :-(

    The good news though is that with all that crud behind me I can now focus on finishing my car for the season. When I last left you, car was about 90% complete. Finishing things up over the next month and I am completely confounded by one issue I seem to have.. a saggy ass.

    I am not kidding the car looks like a bloody gasser.


    Installed on the car are: Non adj lower and upper rear control arms (UMI). I have purchased fully double adjustable roto joint ones to install as well as an FYI. Hotchkis tuned Bilsteins all around for shocks and SPC Performance springs 1.2" drop in front and 1" drop in rear purchased from Savitske. All parts are obviously new.

    I cant figure this out. Why is my ass end so low????? Its making me nuts as I definitely don't want the car slammed and a 1" drop should NOT look like that

    I did buy UMI spring spacers just in case I needed, but really want to figure out the root cause of this.

    Any insight would be greatly appreciated Gents.

    Here is what I mean

    Front:


    Rear:

     
    #1 Mrockatansky, Apr 18, 2017
    Last edited: Apr 18, 2017
  2. 84slow

    84slow Not-quite-so-new-guy

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    • Bad rear springs. I'd contact supplier and see if they had any issues. Could be spring rate is not right.
     
  3. Mrockatansky

    Mrockatansky Greasemonkey

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    Yeah I thought that as well initially, but unless they are defective, they are brand new and typically Mark Savitske doesn't F around when he puts together his packages.. Not entirely convinced the springs defective but I do have an email into Mark.
     
  4. pontiacgp

    pontiacgp Rocket Powered Basset Hound

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    Welcome back.....I like the height of the back and I think the front should have dropped more with a 1.5" drop. Are you sure the front springs are sitting in the right spot in the lowers?
     
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  5. Mrockatansky

    Mrockatansky Greasemonkey

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    Steve,

    Thanks for the input, I hope you are well.

    Appreciate the perspective, I think you may be right, perhaps it is the front that is off and not the rear, meaning the front is sitting too high. I just didnt expect a 1" drop to look like that from stock ride height.. almost seems as though the back is lower than that.

    As far as I know I believe the fronts are sitting in the right spots. I will doubly verify this in the next week or so.
     
  6. Anubis

    Anubis Royal Smart Person

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    I also like your ride height in the rear and personally wouldn't change it. You have the same issue I do after swapping a heavy iron block / iron head Oldsmobile engine for an all aluminum LS. I need to lower the front end a bit but haven't decided how to do it quite yet. Maybe adjustable coil overs....Have you looked into them?
     
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  7. pontiacgp

    pontiacgp Rocket Powered Basset Hound

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    I should have mentioned I really like your car, the wheels and the color...:)
     
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  8. V8 Rumble

    V8 Rumble Royal Smart Person

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    Do you have the box? can you verify the part number? we're the new springs taller than the old ones?
     
  9. Mrockatansky

    Mrockatansky Greasemonkey

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    Thanks a lot Steve, really means a lot. Its definitely been a labour of love. The headaches were well worth it.
     
  10. Mrockatansky

    Mrockatansky Greasemonkey

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    Cant find any part numbers but this is what I ordered for SC&C customs:

    http://scandc.com/new/node/106
     
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